Sobral

CE · Brazil

Sobral

The city in the Ceará sertão where the 1919 eclipse helped confirm Einstein’s theory, with the Eclipse Museum and a listed historic center on the banks of the Acaraú River.

Northeast

In the photo: Left bank of the Acaraú River, in Sobral.

Illustrative images. The pictures in this guide are illustrations based on the real place, not photographs, and may differ from it.

Get to know the place

A region to enjoy
at your own pace.

Sobral is the main city of northern Ceará, about 235 km from Fortaleza via BR-222, on the banks of the Acaraú River. It began as a cattle ranch in the 18th century, was raised to a vila in 1773 and to a city in 1841. It grew as a trading post for the sertão and the neighboring ranges, such as the Meruoca, and still preserves a group of townhouses, churches and squares from that time.

On May 29, 1919, British astronomers set up telescopes in the square of the Church of Patrocínio to photograph a total solar eclipse. The plates made in Sobral, together with those from São Tomé and Príncipe, showed the deflection of starlight as it passed near the Sun, as predicted by Albert Einstein’s general theory of relativity. Brazilian and United States teams also observed the eclipse in the city.

The Eclipse Museum, in the same square, tells this story with the telescope used in the observation, photographs and expedition documents. Around it is the historic center, listed by IPHAN in 1999, with the Theatro São João, dating from 1880, the Cathedral (Igreja da Sé) and streets of 18th- and 19th-century houses.

At the entrance to the center stands the Arch of Our Lady of Fátima, from 1953, a city symbol. Along the river, the Left Bank of the Acaraú is where locals stroll at the end of the day.

This destination brings together 1 city: Sobral.

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One destination, many paths

The cities on this trip

Start with one city or combine several in your itinerary.

Where Sobral is The star marks the nearest capital, Fortaleza.
FortalezaSobral

Map: @svg-maps/brazil, CC BY 4.0

How to get there: Sobral

✈ Aeroporto Internacional de Fortaleza (FOR), in Fortaleza · 240 km to Sobral

From Fortaleza it is about 235 km via BR-222. There are buses from Fortaleza to Sobral bus station. The airport with the most flights is in Fortaleza. Sobral is also on the route to the Serra da Ibiapaba and to Ceará’s west coast.

The local experience

Things to do in Sobral

Sobral · CE · Museum

Museum of the Eclipse

Museum at Praça do Patrocínio, where the May 29, 1919 eclipse was observed that helped confirm Einstein’s theory of relativity. It houses a telescope used in the observation, original photos and documents.

Discover Museum of the Eclipse

Sobral · CE · Downtown historic district

Historic Center of Sobral

A group of two‑story houses, churches and squares from the 18th and 19th centuries, listed by IPHAN in 1999, featuring the Cathedral, the Church of Patrocínio and the Becco do Cotovelo, near the Acaraú River.

Discover Historic Center of Sobral

Before you go

Practical information

A little planning leaves more time to enjoy the journey.

When to go

It is hot year-round, with maximums that usually exceed 30 °C. Rainfall is concentrated from February to May, when the sertão turns green. From June to January the weather is dry and sunny, good for walking the historic center early in the morning and late afternoon. The eclipse anniversary, on May 29, usually has programming at the museum.

The seasons shown are the most usual ones; nature doesn't always follow the calendar.

How many days to stay

One full day is enough for the Eclipse Museum, the historic center, Theatro São João and the Arch. With two days you can see a show at the theater, walk along the Acaraú and climb the Serra da Meruoca. Many people stop in Sobral on their way to Ibiapaba or Jericoacoara.

Which city to stay in

The center is the best option for visitors: hotels and guesthouses are close to the Eclipse Museum, the theater and the Arch, and almost everything can be done on foot. There are also lodgings along Arco Avenue and near the bus station.

Respect the place

Take your trash with you, follow the signs and support local businesses. In natural areas, follow the visiting guidelines.

Get your questions answered

Frequently asked questions about Sobral

What did the Sobral eclipse prove?

The photographs of the total eclipse on May 29, 1919, taken in Sobral and on São Tomé and Príncipe, showed that starlight was deflected when passing near the Sun. The result confirmed a prediction of Albert Einstein’s general theory of relativity.

What is the distance from Fortaleza to Sobral?

About 235 km via BR-222. There are buses between the two cities; check schedules.

What to do in Sobral?

Visit the Eclipse Museum, walk the historic center listed by IPHAN, see Theatro São João and the Arch of Our Lady of Fátima, and stroll along the Left Bank of the Acaraú River at dusk.

When is the best time to go to Sobral?

From June to January, when the weather is dry and sunny. From February to May it rains more and the sertão becomes green. The heat is strong year-round; prefer to sightsee early in the morning and late in the afternoon.

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